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1. (military) someone injured, killed, captured or missing in a military engagement
    
2. Someone injured or killed in an accident
   - injured party
    
3. An accident that causes someone to die
   - fatal accident
    
4. (military) a decrease of military personnel or equipment
    
5. [Brit] Emergency department in a hospital or clinic, staffed and equipped to provide emergency care to people requiring immediate medical treatment
   - emergency room [N. Amer], ER [N. Amer], emergency [N. Amer], accident and emergency [Brit]

Derived forms: casualties

Type of: accident, decrease, drop-off, fatality, hospital room, human death, lessening, victim

Encyclopedia: Casualty